As long as you keep on ______ hard, you'll get promoted sooner or later.
A. work
B. being working
C. worked
D. working
查看答案
冲裁变形过程大致可分为弹性变形阶段、__________和__________。
排样时,工件之间以及工件与条料侧边之间留下的余料叫__________。
按卸料装置的不同,可以将冲裁模分为弹性卸料板冲裁模、和。
复合模分为正装复合模和倒装复合模,凸凹模安装在上模部分时,称为。